Shut up warning from automake.

diff --git a/build.mk b/build.mk
index d63263bdbdfd5309b5c056782521aa2ab905ba76..69c52cee2c2144090ddea823dd89573e691d3ac2 100644 (file)
--- a/build.mk
+++ b/build.mk
@@ -20,7 +20,7 @@ makefile_in_files = $(makefile_am_files:.am=.in)
 makefile_files    = $(makefile_am_files:e.am=e)
 
 config_h_in = php_config.h.in
-       
+
 config_h_files = \
        $(shell echo ext/*/config.h.stub sapi/*/config.h.stub)
 
@@ -63,7 +63,12 @@ acconfig.h: $(acconfig_h_SOURCES)
 
 $(makefile_in_files): $(makefile_am_files) aclocal.m4
        @echo rebuilding Makefile.in\'s
-       @for i in $(LT_TARGETS); do test -f $$i && mv $$i $$i.bak; done
+       @for i in $(LT_TARGETS); do \
+               if test -f "$$i"; then \
+                       mv $$i $$i.bak; \
+                       cp $$i.bak $$i; \
+               fi; \
+       done
        @automake -a -i $(AMFLAGS) $(makefile_files) 2>&1 \
                | grep -v PHP_OUTPUT_FILES || true >&2
        @for i in $(LT_TARGETS); do mv $$i.bak $$i; done